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A 60 kg patient is on a continuous IV constant rate infusion of theophylline at 30 mg/h. His steady-state concentration is determined to be 12 mg/L. If you assume the theophylline distribution volume to be 22 L, what would be the patients plasma concentration 4 hours after the continuous infusion stopped? Please select one: a. 6.5 mg/L b. 7.6 mg/L c. 4.8 mg/L d. 8.4 mg/L e. 3.7 mg/L

A 60 kg patient is on a continuous IV constant rate infusion of theophylline at 30 mg/h. His steady-state concentration is determined to be 12 mg/L. If you assume the theophylline distribution volume to be 22 L, what would be the patients plasma concentration 4 hours after the continuous infusion stopped? Please select one: a. 6.5 mg/L b. 7.6 mg/L c. 4.8 mg/L d. 8.4 mg/L e. 3.7 mg/L

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A 60 kg patient is on a continuous IV constant rate infusion of theophylline at 30 mg/h. His steady-state concentration is determined to be 12 mg/L. If you assume the theophylline distribution volume to be 22 L, what would be the patients plasma concentration 4 hours after the continuous infusion stopped? Please select one: 0 a. 6.5 mg/L b. 7.6 mg/L c. 4.8 mg/L d. 8.4 mg/L e. 3.7 mg/L
Transcribed Image Text:A 60 kg patient is on a continuous IV constant rate infusion of theophylline at 30 mg/h. His steady-state concentration is determined to be 12 mg/L. If you assume the theophylline distribution volume to be 22 L, what would be the patients plasma concentration 4 hours after the continuous infusion stopped? Please select one: 0 a. 6.5 mg/L b. 7.6 mg/L c. 4.8 mg/L d. 8.4 mg/L e. 3.7 mg/L
If the amount of the drug in the body declines from 100% of the dose (IV bolus injection) to 54% of the dose in 9 hours, what is the elimination of half-life for this drug? (Assume first-order kinetics.) Please select one: a. 10.2 h b. 14 h c. 11.4 h d. 8.8 h e. 11 h
Transcribed Image Text:If the amount of the drug in the body declines from 100% of the dose (IV bolus injection) to 54% of the dose in 9 hours, what is the elimination of half-life for this drug? (Assume first-order kinetics.) Please select one: a. 10.2 h b. 14 h c. 11.4 h d. 8.8 h e. 11 h
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